| Rated Accuracy | ± 1.5% of F.S. for Watt & Var Meter (standard) |
| ± 1.0% of F.S. for Watt & Var Meter(optional) |
| ± 30 Phase Angle for Powerfactor Meter |
| ± 1% of Full Scale for Frequency Meter |
| 2.5KVAC for 1 min. @ 50 Hz, 4KV AC (optional) |
| Test Voltage | 2.5KVAC for 1 min. @ 50 Hz, 4KV AC (optional) |
| Insulation Resistance | Over 20MOhm at 500V DC |
| Power Supply | Self-Powered |
| Casing | Size 72, 96, 144 ABS Case with Glass Front |
| Size 110 ABS Case with Clear Acrylic Cover |
| Continuous Over Load | 1.2 Times Rated Current / Voltage |